Emporis - An international team maintains this database of tall buildings, navigated by map and list. Also lists construction companies and architects, and supplies news.

UrbanDB - A comprehensive database of Greater Toronto Area construction and skyscraper development activities.

How Skyscrapers Work - This illustrated narrative by Tom Harris from HowStuffWorks explains that the main technological advancement that made skyscrapers possible was the development of mass iron and steel production.

Skyscraper Page - Dylan presents an illustrated database of the world\\'s skyscrapers tallest buildings. The illustrations drawn to one scale skyscrapers make it easy to compare heights internationally or skyscrapers within a city. Includes dates and architects.

Skyscraper Picture Collection - Collection of photographs by Patrick Beckers of cities building types across architecture the world and their tallest and most building types distinctive skyscrapers.

The Skyscraper Museum - Private, not-for-profit, educational corporation devoted to the study of highrise buildings. Exhibits and information on the architecture, materials, and physics of highrise construction.

How a Skyscraper is Made - Background, history, raw materials, design, and the construction building types process of skyscrapers, from Thomson Gale\'s How Products building types Are Made.

Scraperbase - See which cities and countries have the highest number of skyscrapers and download placemarks of skyscrapers. On this site spires and elevator boxes are not included in the listed heights.